782 SEC. 15. GEOGRAPHY. 



the extreme inner rim are arrows, half encircling the dial, to remind the 

 observer in which direction to allow easterly and westerly deviation and 

 variation. 



3151r. Self-registering Ships' Compass, deigned by 

 J. M. Napier. D. Napier and Sons, Vine Street, Lambeth. 



South Kensington Museum. 



3151s. G-imbal Compass, for use in small crafts. 



South Kensington Museum. 



3151x. Chinese Compass. Ministry of Marine, Madrid. 



This differs from those employed by other nations, in the inversion of the 

 meridian line. 



3151y. Compass or Azimuthal Needle, which was 

 employed in making the plans of the coast. This instrument was 

 made at Carthagena, at the end of the last century. 



Ministry of Marine, Madrid. 



3151z. Compass made at Carthagena, Spain, according 

 to the plan adopted by Don Antoino Doral, the Commander of 

 Fleet. Ministry of Marine, Madrid. 



